package collection;

import java.util.*;

/**
 *  集合的排序
 *  集合的工具类:java.util.Collections提供了一个静态方法sort,可以对List集合进行自然排序
 */
public class SortListDemo1 {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        Random random = new Random();
        for (int i = 0;i<10;i++){
            list.add(random.nextInt(100));
        }
        System.out.println(list);
        Collections.sort(list);
        System.out.println(list);
        Collections.sort(list,(o1,o2)->o2-o1);
        System.out.println(list);

        Collections.sort(list,(o1,o2)->o1%2==o2%2?o1-o2:o1%2-o2%2);
        System.out.println(list);
    }
}